Aroma diffuser



FIG. 1 is a front elevational view of an aroma diffuser showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a first perspective view thereof; and,

FIG. 8 is a second perspective view thereof.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

CLAIM The ornamental design for an aroma diffuser, as shown anddescribed.